Saturday, 15 August 2015

Alexander Graf Keyserling (Alexander Friedrich Michael Lebrecht Nicolaus Arthur Graf Keyserling) was a Baltic-German scientist: geologist, paleontologist, botanist and zoologist. He was one of the founders of Russian geology and made many expeditions. His personal friend was Tsar Nicolas I. He wrote the Vertebrates of Europe with Johann Heinrich Blasius. He was born on 15 August 1815, 200 years ago.